import { describe, it, expect, afterEach, vi, beforeEach } from 'vitest'

vi.mock('electron', () => ({
  BrowserWindow: {
    getAllWindows: () => []
  },
  Notification: {
    isSupported: () => false
  }
}))

import { mkdtempSync, rmSync } from 'fs'
import { join } from 'path'
import { tmpdir } from 'os'
import { WritingLogRepository } from '../../src/main/db/repositories/writing-log.repo'
import { PomodoroDailyRepository } from '../../src/main/db/repositories/pomodoro-daily.repo'
import { GlobalSettingsService } from '../../src/main/services/global-settings'
import { WritingLogService } from '../../src/main/services/writing-log.service'
import { GoalNotificationService } from '../../src/main/services/goal-notification.service'
import { PomodoroService } from '../../src/main/services/pomodoro.service'

describe('PomodoroService', () => {
  let userDir: string
  let settingsDir: string
  let settings: GlobalSettingsService
  let writingRepo: WritingLogRepository
  let writingLogs: WritingLogService
  let pomodoroDaily: PomodoroDailyRepository
  let notify: GoalNotificationService
  let pomodoro: PomodoroService

  beforeEach(() => {
    vi.useFakeTimers()
    process.env.BILIN_E2E = '1'
    process.env.POMODORO_TEST_SEC = '3'
    userDir = mkdtempSync(join(tmpdir(), 'bilin-pom-'))
    settingsDir = mkdtempSync(join(tmpdir(), 'bilin-pom-settings-'))
    settings = new GlobalSettingsService(settingsDir)
    writingRepo = new WritingLogRepository(userDir)
    writingLogs = new WritingLogService(writingRepo, settings)
    pomodoroDaily = new PomodoroDailyRepository(writingRepo.getDb())
    notify = new GoalNotificationService(settings)
    vi.spyOn(notify, 'notifyPomodoroComplete')
    vi.spyOn(notify, 'notifyPomodoroBookSwitch')
    pomodoro = new PomodoroService(writingLogs, pomodoroDaily, settings, notify)
  })

  afterEach(() => {
    vi.useRealTimers()
    delete process.env.POMODORO_TEST_SEC
    writingRepo?.close()
    if (userDir) rmSync(userDir, { recursive: true, force: true })
    if (settingsDir) rmSync(settingsDir, { recursive: true, force: true })
  })

  it('UT-POM-01: complete records word delta in pomodoro_daily', () => {
    const bookId = 'book-1'
    writingLogs.addToday(bookId, 100)
    pomodoro.start(bookId)
    writingLogs.addToday(bookId, 50)
    vi.advanceTimersByTime(3000)
    expect(pomodoroDaily.getTodayCount(bookId)).toBe(1)
    expect(notify.notifyPomodoroComplete).toHaveBeenCalledWith(50)
    expect(pomodoro.getState().running).toBe(false)
  })

  it('UT-POM-02: start different book cancels previous', () => {
    pomodoro.start('book-a')
    expect(pomodoro.getState().bookId).toBe('book-a')
    pomodoro.start('book-b')
    expect(notify.notifyPomodoroBookSwitch).toHaveBeenCalled()
    expect(pomodoro.getState().bookId).toBe('book-b')
    expect(pomodoro.getState().running).toBe(true)
  })
})